| Acronym | Meaning |
| ACD | Advanced Conceptual Design |
| ADP | Administrative Data Processing |
| FICA | Federal Insurance Contributions Act |
| QPF | Quantitative Prediction Of Precipitation |
| LAWS | Low Altitude Wind Shear |
| AU | Astronomical Unit |
| ELDORA | Electra Doppler Radar |
| AFAP | Artillery-fired Atomic Projectile |
| CAPTEX | Cross-Appalachian Tracer Experiment |
| ATHENA | Advanced Thermal-Hydraulic Energy Network Analyzer |